*Includes outgoing service between beginning of legislative session and inauguration of new Lt. Governor.

1. Perry vacated the office when he succeeded George W. Bush as Governor of Texas on December 21, 2000. Senator Rodney Ellis, President Pro Tempore, served as acting lieutenant governor from December 21, 2000 to December 28, 2000.

2. Ramsey vacated the office when he accepted an appointment as railroad commissioner of Texas on September 18, 1961. Senate presidents pro tem Reagan, Herring and Krueger filled in for the vacancy until the 58th Legislature in 1963.

3. Shivers vacated the office when he succeeded Beauford Jester as Governor of Texas on July 11, 1949. Senate presidents pro tem Morris, Haxelwood and Lane filled in for the vacancy until the 52nd Legislature in 1951.

4. Hobby, Sr. vacated the office when he succeeded James Edward Ferguson as Governor of Texas on August 25, 1917. Senate presidents pro tem Smith, Dean, McNealus, Johnson, Deckerd and Johnston filled in for the vacancy until the 36th Legislature in 1943.

6. Hubbard vacated the office when he succeeded Richard Coke as Governor of Texas on December 1, 1876. Senate president pro tem Thompson filled in for the vacancy until the 16th Legislature in 1879.

7. Jones was removed by General P.H. Sheridan and the office remained officially vacant until the 14th Legislature in 1874. James Winwright Flanagan was elected Lt. Gov. in 1869 for the 12th Legislature and served for the Provisional Session of the 12th Legislature, but was never inaugurated as Lt. Gov. On February 23, 1870, Flanagan was elected by the Texas Legislature to the U.S. Senate. Donald Campbell, president pro tem, filled in for the vacancy for the 1st Called, Regular, and Adjourned sessions of the 12th Legislature until his death on November 6, 1871. Webster Flanagan was elected president pro tem on November 13, 1871 and filled in for the vacancy for the remainder of the Adjourned Session of the 12th Legislature. Edward B. Pickett, president pro tem, filled in for the vacancy for the 13th Legislature.

8. Stockdale vacated the office on June 17, 1865 when he succeeded Pendleton Murrah as Governor of Texas when Murrah fled upon the fall of the Confederacy. Senate president pro tem Guinn filled in for the vacancy until August 9, 1866.

9. Clark vacated the office March 16, 1861 when he succeeded Sam Houston as Governor of Texas. Senate president pro tem Grimes filled in for the vacancy until the 9th Legislature, later in 1861.

10. Henderson vacated the office November 23, 1853, to December 21, 1853 when he succeeded Bell as Governor of Texas. Senate president pro tem Taylor filled in for the vacancy until the 5th Legislature, later in 1853.

11. Served as Governor Pro Tem from May 19, 1846 - November 13, 1846.

Sources:The Handbook of Texas Online[Austin, Tex.]: Texas State Historical Association and The General Libraries at the University of Texas at Austin, [1999].House Journal.Texas House of Representatives.Members of the Texas Congress 1836-1845, Members of the Texas Legislature 1846-1992. . [Austin, Tex.]: Senate Engrossing and Enrolling, Senate Reproduction, [2004].Presiding Officers of the Texas Legislature 1846-2002.
[Austin, Tex.]: Texas Legislative Council, 2002. Senate Journal.Texas Senate.
Note: Beginning-of-term dates are the official date of a lieutenant governor's inauguration. End-of-term dates are either the official date of the succeeding lieutenant governor's inauguration or the date on which the office was vacated for other reasons. Where a conflict exists as to the exact date, the Senate Journal takes precedence.